package Work;

import java.util.Scanner;
import java.math.*;
public class Pro1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            int a = in.nextInt();
            int b = in.nextInt();
            if (Math.abs(a) <= 1000){
            System.out.println(a + b);
            }
            else{
            	System.out.println("a<=1000");
            }
        }
    }
}